1 | initial version |
OVA is more awkward than the Cygwin build, so that's why it stopped. You might want to try Sage 8.8 http://www.mirrorservice.org/sites/www.sagemath.org/win/SageMath-8.8-Installer-v0.5.1.exe
Or if you comfortable with VirtualBox (or other VM) on Windows, you may just build Sage there from source.